import axios from "axios";
import { MessageBox, Message } from "element-ui";
import store from "@/store";
import router from "@/router";
import { config } from "@/global";

// create an axios instance
const service = axios.create({
  baseURL: config.baseURL, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 8000, // request timeout
  headers: {
    "Content-Type": "application/json; charset=utf-8;"
  }
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers["token"] = store.state.world.token;
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;
    if (res.code === 20005 || res.code === 20013 || res.code === 20002) {
      return Promise.reject(new Error(res.msg || "Error"));
    }
    //需要手动处理的错误代码
    else if (res.code === 30002 || res.code === 80001 || res.code === 80004) {
      return Promise.reject(res);
    } else if (res.code !== 20000) {
      Message({
        message: res.msg || "Error",
        type: "error",
        duration: 5 * 1000
      });

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 10086) {
        // to re-login
        MessageBox.confirm("您的登录信息已过期", "登录过期", {
          confirmButtonText: "知道了",
          type: "warning"
        }).then(() => {
          router.replace("/login");
        });
      }
      return Promise.reject(new Error(res.msg || "Error"));
    } else {
      return res;
    }
  },
  error => {
    console.log("err" + error); // for debug
    Message({
      message: "网络连接失败，请检查网络连接",
      type: "error",
      duration: 5 * 1000
    });
    return Promise.reject(error);
  }
);

export default service;
